Combining ability analysis of some Brassica napus genotypes
Ahsan Muhammad Zahir,Khan Farooq Ahmad,Kang Shehzad Ahmad
Combining ability analysis of some Brassica napus genotypes
Ahsan Muhammad Zahir,Khan Farooq Ahmad,Kang Shehzad Ahmad
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Development of hybrid genotypes more need to increase the edible oil production and it qulity traits because of increasing the human population. Eight genotypes (Golarchi, Star, Range, DGL, Ayub2000, Hybripol, Lagena and BA0714.) were crossed in Line x Tester mating design (5x3). and their F1s were sown in field in RCBD with three replications. Data of 15 F1s and their parents were recorded for various seed yield and yield contributing traits. The data were statistically analyzed for analysis of variance and LxT analysis. The ANOVA for combining ability were revealed that the mean sum of squares due to lines were significant for all traits except days to 90% flowering and for testers the mean sum of square were significant for all traits except days to 90% flowering and 1000 seed weight. Highly significant results were found in LxT interaction for all traits. The estimates of SCA variance was noticed higher than GCA variance in all traits. The contributions of lines as compared to testers were greater in case of all the traits of Brassica napus.
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